<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>9*9乘法表</title>
    <style>
        td{
            border: 1px solid;
        }
    </style>
    <script>
        document.write("<table align='center'>");
        //1.完成基本的for循环嵌套，展示乘法表
        for (var i=0;i<=9;i++){
            document.write("<tr>");
            for (var j=1;j<=i;j++){
                document.write("<td>");
                //输出1*1=1的样式
                document.write(i+"*"+j+"="+(i*j)+"&nbsp&nbsp&nbsp;");
            }
        }
    </script>
</head>
<body>

</body>
</html>